Rhagovelia robusta Gould, 1931

Rodrigues, Juliana Mourão Dos Santos, Cordeiro, Isabelle Da Rocha Silva, Floriano, Carla Fernanda Burguez, Paiva, Nathália De Oliveira, Magalhães, Oséias Martins, Júnior, Evaldo Alves Joaquim, Martins, Thaynara De Souza, Silva, Rafaella Cardoso Da, Siqueira, Gabriel Vieira, Salles, Frederico Falcão, Viala, Séverine, Khila, Abderrahman & Moreira, Felipe Ferraz Figueiredo, 2023, Descriptions of new species and new records of water bugs (Hemiptera: Heteroptera: Gerromorpha & Nepomorpha) from southeastern Brazil, Zootaxa 5393 (1), pp. 1-86 : 61

Rhagovelia robusta Gould, 1931

Fig. 43A, C

Diagnosis. Member of the robusta group ( Polhemus 1997). Body length 4.4–4.8 mm; pronotum mostly dark-brown to black, strongly contrasting with yellowish-brown or orange-brown mark on anterior lobe; small black denticles present on male jugum and adjacent region of proepisternum; male hind trochanter with small subequal spines; male hind femur with 3–4 irregular rows of spines, with a large spine near its middle dorsally displaced from others; male hind tibia with one preapical spine larger than the others; sides of male abdominal segment VII lacking patches of small black denticles ( Magalhães et al. 2016).

New records. BRAZIL — Espírito Santo • Águia Branca, stream with electric fence; alt. 216 m; −18.8734, −40.7782; 20. IV.2023; JMS Rodrigues, NO Paiva, FFF Moreira, IS Medeiros, CL Rodrigues leg.; 4 males, 2 females, CEIOC 82971 • Apiacá, stream; alt. 233 m; −21.0830, −41.5431; 20. III.2022; JC Santos, JMS Rodrigues, NO Paiva, B Clarkson leg.; 1 male, 2 females, CEIOC 81853 • Iúna, weir; alt. 711 m; −20.3503, −41.5579; 21. III.2022; JC Santos, JMS Rodrigues, NO Paiva, B Clarkson leg.; 7 males, 4 females, CEIOC 81854 • Pancas, Monumento Natural dos Pontões Capixabas, Dona Laura Waterfall; alt. 193 m; −19.1233, −40.8144; 24. VI.2022; JC Santos, JMS Rodrigues, NO Paiva, N Nery, CL Rodrigues leg.; 1 male, CEIOC 82237 .— Rio de Janeiro • Angra dos Reis, Vermelha Beach , river; −23.1414, −44.2987; 08.IX.2017; RC Silva leg.; 1 male, 3 females, CEIOC 81277 .

Distribution in Brazil. ES, GO, MA, MG, MT, PA, RJ, RS, SC, SE, SP.

Figures

FIGURE 43. Collected specimens (A, B), and distribution in southeastern Brazil and adjacent areas (C, D). A. Rhagovelia robusta, apterous male from Angra dos Reis, Rio de Janeiro (−23.1414, −44.2987). B. Rhagovelia scitula, apterous male from Sapucaia, Rio de Janeiro (−22.1004, −42.7988), abdominal tergum VIII and genital capsule removed. C. Rhagovelia robusta. D. Rhagovelia scitula. Stars indicate new records; circles indicate previous records. Scale bars: 2 mm.